Dairymaster Expander board PCB – SMT The Dairymaster Expander Board PCB is an auxiliary printed circuit board designed to expand the functionality of Dairymaster’s milking system controllers, including the Automatic Cluster Removal (ACR) systems. This board allows for additional sensor inputs, outputs, or control signals, enabling enhanced customization and scalability of the milking setup. Engineered to meet the demanding conditions of dairy parlors, the Expander Board PCB is built with high-quality components that resist moisture, vibration, and electrical interference. It integrates seamlessly with existing controller units to improve system capacity and operational flexibility. Using genuine Dairymaster Expander Boards ensures reliable performance, compatibility, and extended system capabilities.